IPC 7 English version
  C04B 30/00 - C04B 35/84  
C04B03700-C04B11194
 

SECTION C – CHEMISTRY; METALLURGY


C 04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES (alloys based on refractory metals C22C) [4]


C 04 BLIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS (devitrified glass-ceramics C03C 10/00); REFRACTORIES; TREATMENT OF NATURAL STONE  [4]


37/

00Joining burned ceramic articles with other burned ceramic articles or other articles by heating (laminated products B32B, E04C)

37/

02.with metallic articles

37/

04.with articles made from glass


38/

00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (treating slag with gases or gas generating material C04B 5/06) [4,6]

Note

 Porous mortars, concrete, artificial stone or ceramic ware characterised by the ingredients or compositions are also classified in groups C04B 2/00 to C04B 35/00.  [4]

38/

02.by adding chemical blowing agents  [4]

38/

04.by dissolving-out added substances  [4]

38/

06.by burning-out added substances  [4]

38/

08.by adding porous substances  [4]

38/

10.by using foaming agents (C04B 38/02 takes precedence)  [4]


40/

00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability (active ingredients C04B 22/00 to C04B 24/00; hardening of a well-defined composition C04B 26/00 to C04B 28/00; making porous, cellular or lightening C04B 38/00; mechanical aspects B28, e.g. conditioning the materials prior to shaping B28B 17/02) [4,6]

40/

02.Selection of the hardening environment  [4]

40/

04.Preventing evaporation of the mixing water (permanent coverings C04B 41/00)  [4]

40/

06.Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers  [4]

Note

 In group C04B 41/00, the following terms or expressions are used with the meanings indicated:  [6]

 –"mortars", "concrete" and "artificial stone" cover materials after primary shaping.  [6]


41/

00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone (conditioning of the materials prior to shaping C04B 40/00; applying liquids or other fluent materials to surfaces, in general B05; grinding or polishing B24; apparatus or processes for treating or working shaped articles of clay or other ceramic compositions, slag or mixtures containing cementitious material B28B 11/00; working stone or stone-like materials B28D; glazes, other than cold glazes, C03C 8/00; etching, surface-brightening or pickling compositions C09K 13/00) [3]

Notes

(1)In groups C04B 41/45 to C04B 41/91, in the absence of an indication to the contrary, classification is made in the last appropriate place.  [4]

(2)Treating, e.g. coating or impregnating, a material with the same material or with a substance which ultimately is transformed into the same material is not considered after-treatment for this group but is classified as preparation of the material, e.g. a carbon body impregnated with a carbonisable substance is classified in C04B 35/52.  [4]

41/

45.Coating or impregnating (paints C09D)  [4]

41/

46..with organic materials  [4]

41/

47...Oils, fats or waxes  [4]

41/

48...Macromolecular compounds  [4]

41/

49...Compounds having one or more carbon-to-metal or carbon-to-silicon linkages  [4]

41/

50..with inorganic materials  [4]

41/

51...Metallising  [4]

41/

52..Multiple coating or impregnating  [4]

41/

53.involving the removal of part of the materials of the treated article  [4]

41/

60.of only artificial stone  [4]

41/

61..Coating or impregnating  [4]

41/

62...with organic materials  [4]

41/

63....Macromolecular compounds  [4]

41/

64....Compounds having one or more carbon-to-metal or carbon-to-silicon linkages  [4]

41/

65...with inorganic materials  [4]

41/

66....Fluorides, e.g. ocratation  [4]

41/

67....Phosphates  [4]

41/

68....Silicic acid; Silicates  [4]

41/

69....Metals  [4]

41/

70...for obtaining at least two superposed coatings having different compositions  [4]

41/

71....at least one coating being an organic material  [4]

41/

72..involving the removal of part of the materials of the treated articles, e.g. etching  [4]

41/

80.of only ceramics  [4]

41/

81..Coating or impregnating  [4]

41/

82...with organic materials  [4]

41/

83....Macromolecular compounds  [4]

41/

84....Compounds having one or more carbon-to-metal or carbon-to-silicon linkages  [4]

41/

85...with inorganic materials  [4]

41/

86....Glazes; Cold glazes  [4]

41/

87....Ceramics  [4]

41/

88....Metals  [4]

41/

89...for obtaining at least two superposed coatings having different compositions  [4]

41/

90....at least one coating being a metal  [4]

41/

91..involving the removal of part of the materials of the treated articles, e.g. etching  [4]


Indexing scheme associated with group C04B 35/00, relating to high critical-temperature superconductive ceramics. The indexing code should be unlinked.  [6]

Note

 Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code.  [6]


101:

00High critical-temperature superconductive ceramics  [6]


Indexing scheme associated with groups C04B 22/00 and C04B 24/00, relating to the function or property of the active ingredients. The indexing codes should be unlinked.  [6]

Note

 Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code.  [6]


103:

00Function or property of the active ingredients  [6]

103:

10.Accelerators  [6]

103:

12..Set accelerators  [6]

103:

14..Hardening accelerators  [6]

103:

20.Retarders  [6]

103:

22..Set retarders  [6]

103:

24..Hardening retarders  [6]

103:

30.Water reducers, plasticisers, air-entrainers  [6]

103:

32..Superplasticisers  [6]

103:

40.Surface-active agents, dispersants  [6]

103:

42.Pore formers  [6]

103:

44.Thickening, gelling or viscosity increasing agents  [6]

103:

46.Water-loss reducers, hygroscopic or hydrophilic agents  [6]

103:

48.Foam stabilisers  [6]

103:

50.Defoamers, air detrainers  [6]

103:

52.Grinding aids  [6]

103:

54.Pigments; Dyes  [6]

103:

56.Opacifiers  [6]

103:

60.Agents for protection against chemical, physical or biological attack  [6]

103:

61..Corrosion inhibitors  [6]

103:

63..Flame-proofing agents  [6]

103:

65..Water proofers or repellants  [6]

103:

67..Biocides  [6]

103:

69...Fungicides  [6]


Indexing scheme associated with groups C04B 26/00 to C04B 32/00, relating to the function, property or use of the mortars, concrete or artificial stone. The indexing codes should be unlinked.  [6]

Note

 Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code.  [6]


111:

00Function, property or use of the mortars, concrete or artificial stone  [6]

111:

10.Compositions characterized by the absence of a specified material  [6]

111:

12..Absence of asbestos, e.g. cement-asbestos substitutes  [6]

111:

20.Resistance against chemical, physical or biological attack  [6]

111:

21..Efflorescence resistance  [6]

111:

22..Carbonation resistance  [6]

111:

23..Acid resistance  [6]

111:

24..Sea water resistance  [6]

111:

25..Graffiti resistance  [6]

111:

26..Corrosion of reinforcement resistance  [6]

111:

27..Water resistance, i.e. waterproof or water repellant materials  [6]

111:

28..Fire resistance  [6]

111:

30.Nailable or sawable materials  [6]

111:

32.Expansion inhibited materials  [6]

111:

34.Non-shrinking materials  [6]

111:

40.Porous or lightweight materials  [6]

111:

42..Floating materials  [6]

111:

50.Flexible or elastic materials  [6]

111:

52.Sound insulating materials  [6]

111:

54.Substitutes for natural stone, e.g. artificial marble  [6]

111:

56.Compositions suited for fabrication of pipes, e.g. by centrifugal casting  [6]

111:

60.Flooring materials  [6]

111:

62..Self-levelling compositions  [6]

111:

70.Grouts  [6]

111:

72.Compositions used for repairing existing buildings or building materials  [6]

111:

74.Underwater applications  [6]

111:

76.Use at sub-zero temperatures  [6]

111:

80.Optical properties, e.g. transparency  [6]

111:

82..Coloured materials  [6]

111:

90.Electrical properties  [6]

111:

92..Electrically insulating materials  [6]

111:

94..Electrically conducting materials  [6]

  C04B 30/00 - C04B 35/84